/Engine/Plugins/Runtime/MassGameplay/Source/MassReplication/Public/MassReplicationTransformHandlers.h
To replicate position and yaw make a member variable of this class in yourFReplicatedAgentBasederived class. In theFReplicatedAgentBasederived class you must also provide an accessor functionFReplicatedAgentPathData& GetReplicatedPositionYawDataMutable().
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FReplicatedAgentPositionYawData